A child who repeatedly bangs his or her head, refuses to interact socially, avoids eye contact,
and has impaired communication has characteristics of ______.
a. Rett's disorder c. Asperger's disorder
b. childhood disintegrative disorder d. autism
D
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The cross-sectional method is subject to the generational effects of having been born at a particular point in history, which is called the ____
a. generational correlation b. cohort effect c. historical bias d. age-related differences
Guthrie’s model contends many environmental stimuli are active at a particular moment. Thus ______.
A. only some stimuli become associated with the response B. all stimuli become associated with the response C. mild stimuli will become associated with the response if they are paired with a more dominant stimulus D. none of these are correct
According to the article Drinking Without Thinking about the outcomes of prenatal alcohol use, which of the following substances is NOT known to be a teratogen at this time?
(a) sugar (b) rubella (c) dioxin (d) lead
According to the text author, which of the following is a recent evolutionary development?
A) emotional behaviors B) emotional feelings C) the capacity to recognize emotional behaviors D) hormonal changes during emotion E) the experience of positive emotions